Hydro Quality Group

What Hydro Quality Group does

Hydro Quality Group is a private environmental engineering and consulting firm founded in 1980 and headquartered in Mahwah, New Jersey. The company specializes in water and wastewater treatment, with a portfolio of proprietary mathematical modeling tools used for water quality assessment, sediment transport, and regulatory compliance. Core products include ECOMSED, a three-dimensional sediment transport model deployed for the New York/New Jersey harbor; the Biotic Ligand Model (BLM) and its probabilistic extension BLM-Monte, which predict metal bioavailability and toxicity across freshwater and marine environments; SWEM for sediment organic carbon dynamics; coupled hydrodynamic/water quality models applied to Boston Harbor and Massachusetts Bay; and mixing zone evaluation services that use EPA-supported programs such as PLUMES and CORMIX for NPDES permitting and diffuser design.

The firm's historical client base is anchored by municipal and government engagements, most notably the Massachusetts Water Resources Authority (MWRA), for which it conducted multi-year outfall monitoring and ecosystem impact modeling tied to the Deer Island treatment facility relocation. Beyond government work, Hydro Quality Group's stated use cases extend to industrial and municipal wastewater treatment facilities requiring mixing zone and diffuser analyses, and its website also presents the company as an educational resource for swimming pool operators and Olympic swimming athletes on water quality and pool maintenance practices — though no monetization mechanism for that educational content is evident.

Revenue mechanics are not disclosed; no pricing, partnerships, funding events, or named enterprise contracts beyond MWRA appear in the source data, and the company's own website describes the team as five members while firmographic data lists 11-50 employees — a discrepancy that materially affects scale assessment. The website content is dated (topical references to Rio 2016, terms-of-use language typical of templated site builders, and inbound editorial links to unrelated third-party sites), which together suggest limited recent commercial investment in the digital channel.

Name

Hydro Quality Group

Legal name

Hydro Quality Group

Website

https://hydroqual.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

Hydro Quality Group is a Mahwah, NJ-based environmental engineering firm that develops proprietary water quality and sediment transport models (ECOMSED, BLM, SWEM) and provides consulting for wastewater treatment, mixing zone analysis, and aquatic regulatory compliance to municipal and government clients.

Ownership category

akta.pro rank

Product category

Environmental Engineering Services

NAICS

Environmental Consulting Services (541620)

SIC

Services-Testing Laboratories (8734)

akta.pro primary industry

Water, Wastewater & Stormwater Compliance (BPAHAJAJ)

Keywords

• Environmental engineering consulting
• Water quality modeling
• Wastewater treatment analysis
• Sediment transport modeling
• Mixing zone evaluations

Headquarters

HQ city

Mahwah

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations

Revenue model

1. Research and Education Services: The organization appears to operate as a water quality research and educational entity. No explicit revenue-generating mechanisms are described on the website. The site provides informational content about water quality management, pool maintenance, and Olympic swimming sports water quality concerns.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Hydro Quality Group provides environmental engineering and water resources consulting, with a focus on modeling water and wastewater treatment processes, sediment transport, and aquatic chemistry. The firm delivers mixing zone evaluations, diffuser design, sediment flux modeling, hydrodynamic and water quality modeling, and Biotic Ligand Model (BLM) analyses for clients such as water authorities and wastewater treatment facilities. Services are supported by proprietary in-house models including ECOMSED, the BLM/BLM-Monte, SWEM, and a Hydrodynamic/Water Quality Coupled Model.

Differentiator

Problem solved

Functional benefit

Products and services

• Sediment Flux Modeling A service quantifying sediment transport and flux in surface water systems, delivered by HydroQual for environmental and regulatory water quality studies.
• Mixing Zone Evaluations Engineering analyses of how wastewater discharges mix and dilute in receiving waters, used to demonstrate regulatory compliance for outfalls serving wastewater treatment facilities.
• Diffuser Design Engineering design of ocean, estuary, or river outfall diffusers for wastewater treatment facilities to achieve required initial dilution in the receiving water.
• Hydrodynamic/Water Quality Coupled Modeling Coupled hydrodynamic and water quality modeling service for surface water systems, used to simulate flow, transport, and water quality in harbors, estuaries, and rivers.
• ECOMSED Sediment Transport Modeling Three-dimensional sediment transport modeling using HydroQual's proprietary ECOMSED model, used to simulate erosion, transport, and deposition of cohesive and non-cohesive sediments.
• SWEM Surface Water Quality Modeling One-dimensional surface water quality modeling using HydroQual's proprietary SWEM model to simulate water quality in rivers and surface water bodies.
• BLM (Biotic Ligand Model) Metal Bioavailability Analysis Metal bioavailability and aquatic toxicity analyses using the Biotic Ligand Model (BLM), including the BLM-Monte probabilistic framework for acute and chronic metal risk assessment in surface waters.

Quantifiable outcome

• Mixing zone studies completed throughout the United States and overseas for single- and multi-port submerged diffusers and surface discharges
• +1 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators3 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• GHD: GHD is a global engineering and consulting firm with established water and wastewater utilities, environmental compliance, and modeling services practices serving municipalities and industry.
• HDR: HDR is an engineering firm with strong water, wastewater, and environmental services practices serving municipal utilities, comparable in client base and modeling/compliance focus to Hydro Quality Group.
• Stantec: Stantec is a global engineering, architecture, and environmental services firm with extensive water resources and wastewater treatment consulting practices, comparable in target customers and water quality service offerings.
• Tetra Tech: Tetra Tech is a large global engineering and consulting firm with substantial water, wastewater, and environmental modeling practices serving municipal and industrial clients, overlapping with Hydro Quality Group's water quality and effluent discharge modeling offerings.
• Arcadis: Arcadis is a global design and consultancy firm with a substantial water and environmental practice providing modeling, compliance, and treatment services to utilities and industries, comparable in target market and service category.
• AECOM: AECOM is a global infrastructure consulting firm with extensive water resources, environmental compliance, and water quality modeling practices serving municipal and federal clients; comparable to Hydro Quality Group in client type and modeling methodology.

Direct peers

• HydroGeoLogic: HydroGeoLogic is an environmental science and engineering consulting firm providing water quality and groundwater modeling, environmental compliance, and remediation services to government and industrial clients - closely overlapping with Hydro Quality Group's technical practice.
• LimnoTech: LimnoTech is an environmental engineering and science firm specializing in water quality modeling, hydrodynamic and sediment transport modeling, and water resources consulting, directly comparable to Hydro Quality Group's BLM, ECOMSED, and SWEM practices.
• Brown and Caldwell: Brown and Caldwell is an environmental engineering firm focused on water and wastewater consulting, including regulatory compliance, mixing zone analyses, and NPDES permitting support for utilities - directly comparable to Hydro Quality Group's service mix.
• Geosyntec Consultants: Geosyntec is an environmental engineering and science consultancy specializing in water quality, sediment, and contaminant fate and transport modeling - directly analogous to Hydro Quality Group's BLM, sediment flux, and ECOMSED work.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hydro Quality Group